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Bio Beyond 101 Final Exam Graded A+
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Bio Beyond 101 Final Exam Graded A+
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Bio Beyond 101 Final Exam Graded A+________ is the study of the structure and function of cellular proteins and their
interactions; ________ may be employed to use computer algorithms to aid this
process. - ANSWER-Proteomics; bioinformatics
A cell being observed under a microscope has a cell wall, plasma membrane,
ribosomes, and chromosomal material that is not found in a nucleus. Based on this
information, the cell could be a - ANSWER-bacterial cell.
According to Chargaff's rules, ________ always pairs with ________, and ________
always pairs with ________. - ANSWER-A,T; G,C
Amino acids are needed to build ________, just as ________ are needed to create
DNA. - ANSWER-protein; nucleotides
An atom with a neutral charge has - ANSWER-equal numbers of protons and electrons
Armadillos have a diploid chromosome number of 64. At prophase I, an armadillo's cell
would have ________ tetrads present. - ANSWER-32
As humans continue to use fossil fuels as a primary source of energy, the amount of
carbon entering the atmosphere from fossil fuel combustion will continue to increase
dramatically. What is the effect of large-scale deforestation on the carbon in the
atmosphere? - ANSWER-Because trees are a major sink for atmospheric carbon, fewer
trees will result in less carbon being removed from the atmosphere for photosynthesis.
The large-scale removal of forests does not have any real effect on atmospheric
carbon, because carbon dioxide is not stored in trees.
Because trees produce carbon dioxide, the amount of carbon in the atmosphere will
decrease with their wide-scale removal.
Below is a diagram of a bacterium. What structure does Y represent? - ANSWER-
nucleoid
Biodiversity increases the consumptive value of land, meaning that - ANSWER-more
value can be derived from the more diverse products produced by ecosystems with high
biodiversity relative to land that has been cleared for agriculture.
Carbohydrates are typically broken down to - ANSWER-glucose, the molecule used as
the energy source in cells.
Carrie would like to observe the cilia on the surface of a live paramecium—a single-
celled organism. The best device to do this would be a - ANSWER-light microscope.
, Cell size is limited because ________ is critical to a cell's function. - ANSWER-surface-
area-to-volume ratio
Chemical bonds involve - ANSWER-the giving, taking or sharing of electrons.
Chloroplasts and mitochondria are similar in that they both - ANSWER-contain DNA
Chromosomes are made from - ANSWER-condensed chromatin
Compared with a eukaryotic cell, a prokaryotic cell - ANSWER-lacks organelles beyond
ribosomes.
Conservation biology supports all of the following ethical principles except - ANSWER-
all animals have the same rights or legal status as humans.
Deoxyribose is a sugar found in - ANSWER-DNA
Desertification and deforestation are similar in that both involve - ANSWER-loss of plant
and animal life in an area.
Digestion in humans and earthworms - ANSWER-is similar in that both organisms,
digestion is an extracellular process, occurring in a complete digestive tract.
DNA replication is called semiconservative because - ANSWER-the two resulting DNA
molecules each have one new DNA strand and one old strand from the original DNA
molecule.
Fermentation occurs if - ANSWER-oxygen is not present
Forests help to regulate the global climate by - ANSWER-absorbing carbon dioxide.
Homeostasis maintains various levels within a narrow range only if environmental
conditions do not fluctuate much. - ANSWER-false
How does DNA differ from RNA? - ANSWER-DNA is comprised of a double strand,
RNA is a single strand.
human society in its current from is unsustainable becuase - ANSWER-important
natural resources are being consumed more quickly than they can be replenished.
Hydropower and wind power are similar in that both are - ANSWER-renewable energy
sources.
If your body is dehydrated, the control center in the brain will stimulate the release of a
hormone which causes the reabsorption of water into the blood during urine formation.
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